1 /* process_rl - GRAS process handling on real life */
3 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "gras_modinter.h" /* module initialization interface */
10 #include "gras/Virtu/virtu_rl.h"
12 #include "xbt/xbt_os_thread.h"
14 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(gras_virtu_process);
17 static gras_procdata_t *_gras_procdata = NULL;
18 XBT_EXPORT_NO_IMPORT(char const *) _gras_procname = NULL;
19 static xbt_dict_t _process_properties = NULL;
20 static xbt_dict_t _host_properties = NULL;
23 /* under darwin, the environment gets added to the process at startup time. So, it's not defined at library link time, forcing us to extra tricks */
24 # include <crt_externs.h>
25 # define environ (*_NSGetEnviron())
28 /* the environment, as specified by the opengroup, used to initialize the process properties */
29 extern char **wenviron;
31 extern char **environ;
35 void gras_process_init()
38 _gras_procdata = xbt_new0(gras_procdata_t, 1);
41 /* initialize the host & process properties */
42 _host_properties = xbt_dict_new_homogeneous(xbt_free_f);
43 _process_properties = xbt_dict_new_homogeneous(xbt_free_f);
46 char *equal, *buf = xbt_strdup(*env_iter);
47 equal = strchr(buf, '=');
50 ("The environment contains an entry without '=' char: %s (ignore it)",
55 xbt_dict_set(_process_properties, buf, xbt_strdup(equal + 1), NULL);
61 void gras_process_exit()
65 xbt_dict_free(&_process_properties);
66 xbt_dict_free(&_host_properties);
69 const char *xbt_procname(void)
72 return _gras_procname;
77 int gras_os_getpid(void)
80 return (long int) GetCurrentProcessId();
82 return (long int) getpid();
86 /* **************************************************************************
88 * **************************************************************************/
90 gras_procdata_t *gras_procdata_get(void)
92 xbt_assert(_gras_procdata, "Run gras_process_init (ie, gras_init)!");
94 return _gras_procdata;
101 } spawner_wrapper_args;
103 static void *spawner_wrapper(void *data) {
104 spawner_wrapper_args *a = data;
105 a->code(a->argc, a->argv);
110 void gras_agent_spawn(const char *name,
111 xbt_main_func_t code, int argc, char *argv[],
112 xbt_dict_t properties)
114 spawner_wrapper_args *args =malloc(sizeof(spawner_wrapper_args));
118 xbt_os_thread_create(name,spawner_wrapper,args, NULL);
121 /* **************************************************************************
123 * **************************************************************************/
125 const char *gras_process_property_value(const char *name)
127 return xbt_dict_get_or_null(_process_properties, name);
130 xbt_dict_t gras_process_properties(void)
132 return _process_properties;
135 const char *gras_os_host_property_value(const char *name)
137 return xbt_dict_get_or_null(_host_properties, name);
140 xbt_dict_t gras_os_host_properties(void)
142 return _host_properties;